Redken Extreme Length Sealer is a leave-in split-end treatment for breakage-prone hair, formulated with biotin, almond oil, ceramides, vegetable protein and a 4% Length Care Complex. Redken Canada also sells it as the Extreme Length Leave-In Treatment.
Applied to damp ends after the Extreme Length shampoo and conditioner, it helps strengthen weak, fragile hair and adds smoothness and manageability. As part of the complete Extreme Length system, Redken reports that it visibly reduces the appearance of split ends by 78%.
- Leave-in, no rinsing
- Biotin, almond oil and ceramides
- Seals the look of split ends
- Size: 5.1 oz (150 ml) tube